Definitions of rna precursors

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Definition of 'rna precursors'

U.S. National Library of Medicine

1. rna precursors
RNA transcripts of the DNA that are in some unfinished stage of post-transcriptional processing (RNA PROCESSING, POST-TRANSCRIPTIONAL) required for function. RNA precursors may undergo several steps of RNA SPLICING during which the phosphodiester bonds at exon-intron boundaries are cleaved and the introns are excised. Consequently a new bond is formed between the ends of the exons. Resulting mature RNAs can then be used; for example, mature mRNA (RNA, MESSENGER) is used as a template for protein production.

'rna precursors' - Nearby Entries
rna polymerase ii rna polymerase iii rna polymerase sigma 54 rna precursors rna probes rna processing, post-transcriptional rna replicase

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